what is bivalents? (with brief explanation)
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In genetics, a bivalent refers to the two homologous chromosomes that have already joined or paired together in synapsis at Prophase I of Meiosis I.Bivalent chromosome. Bivalent gas gangrene antitoxin.
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A bivalent is one pair of chromosomes (sister chromatids) in a tetrad. A tetrad is the association of a pair of homologous chromosomes (4 sister chromatids) physically held together by at least one DNA crossover. This physical attachment allows for alignment and segregation of the homologous chromosomes in the first meiotic division.
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